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[X86] Convert all the i8imm used by SSE and AVX instructions to u8imm.

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This makes the assembler check their size and removes a hack from the disassembler to avoid sign extending the immediate.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226645 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper
2015-01-21 08:15:54 +00:00
parent f81b1f346a
commit 951d088ae7
5 changed files with 70 additions and 78 deletions
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3
utils/TableGen/X86RecognizableInstr.cpp
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@@ -932,6 +932,7 @@ OperandType RecognizableInstr::typeFromString(const std::string &s,
TYPE("GR64", TYPE_R64)
TYPE("i8mem", TYPE_M8)
TYPE("i8imm", TYPE_IMM8)
TYPE("u8imm", TYPE_UIMM8)
TYPE("GR8", TYPE_R8)
TYPE("VR128", TYPE_XMM128)
TYPE("VR128X", TYPE_XMM128)
@@ -1042,6 +1043,7 @@ RecognizableInstr::immediateEncodingFromString(const std::string &s,
ENCODING("i64i32imm", ENCODING_ID)
ENCODING("i64i8imm", ENCODING_IB)
ENCODING("i8imm", ENCODING_IB)
ENCODING("u8imm", ENCODING_IB)
// This is not a typo. Instructions like BLENDVPD put
// register IDs in 8-bit immediates nowadays.
ENCODING("FR32", ENCODING_IB)
@@ -1210,6 +1212,7 @@ RecognizableInstr::relocationEncodingFromString(const std::string &s,
ENCODING("i64i32imm", ENCODING_ID)
ENCODING("i64i8imm", ENCODING_IB)
ENCODING("i8imm", ENCODING_IB)
ENCODING("u8imm", ENCODING_IB)
ENCODING("i64i32imm_pcrel", ENCODING_ID)
ENCODING("i16imm_pcrel", ENCODING_IW)
ENCODING("i32imm_pcrel", ENCODING_ID)